--- /dev/null
+/*****************************************************************************
+ * realvideo.c: a realvideo decoder that uses the real's dll
+ *****************************************************************************
+ * Copyright (C) 2005 the VideoLAN team
+ * Copyright (C) 2008 Wang Bo
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_vout.h>
+#include <vlc_codec.h>
+
+#ifdef LOADER
+/* Need the w32dll loader from mplayer */
+# include <wine/winerror.h>
+# include <ldt_keeper.h>
+# include <wine/windef.h>
+
+void *WINAPI LoadLibraryA( char *name );
+void *WINAPI GetProcAddress( void *handle, char *func );
+int WINAPI FreeLibrary( void *handle );
+#endif
+
+#ifndef WINAPI
+# define WINAPI
+#endif
+
+#if defined(HAVE_DL_DLOPEN)
+# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
+# include <dlfcn.h>
+# endif
+# if defined(HAVE_SYS_DL_H)
+# include <sys/dl.h>
+# endif
+#endif
+
+typedef struct cmsg_data_s
+{
+ uint32_t data1;
+ uint32_t data2;
+ uint32_t* dimensions;
+} cmsg_data_t;
+
+typedef struct transform_in_s
+{
+ uint32_t len;
+ uint32_t unknown1;
+ uint32_t chunks;
+ uint32_t* extra;
+ uint32_t unknown2;
+ uint32_t timestamp;
+} transform_in_t;
+
+// copypaste from demux_real.c - it should match to get it working!
+typedef struct dp_hdr_s
+{
+ uint32_t chunks; // number of chunks
+ uint32_t timestamp; // timestamp from packet header
+ uint32_t len; // length of actual data
+ uint32_t chunktab; // offset to chunk offset array
+} dp_hdr_t;
+
+/* we need exact positions */
+struct rv_init_t
+{
+ short unk1;
+ short w;
+ short h;
+ short unk3;
+ int unk2;
+ unsigned int * subformat;
+ int unk5;
+ unsigned int * format;
+} rv_init_t;
+
+struct decoder_sys_t
+{
+ /* library */
+#ifdef LOADER
+ ldt_fs_t *ldt_fs;
+#endif
+ void *handle;
+ void *rv_handle;
+ int inited;
+ char *plane;
+};
+
+int dll_type = 1;
+#ifdef WIN32
+const char *g_decode_path="plugins\\drv43260.dll";
+#else
+const char *g_decode_path="../lib/vlc/codec/drv4.so.6.0";
+#endif
+
+static unsigned long (*rvyuv_custom_message)(cmsg_data_t* ,void*);
+static unsigned long (*rvyuv_free)(void*);
+static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
+static unsigned long (*rvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
+#ifdef WIN32
+static unsigned long WINAPI (*wrvyuv_custom_message)(cmsg_data_t* ,void*);
+static unsigned long WINAPI (*wrvyuv_free)(void*);
+static unsigned long WINAPI (*wrvyuv_init)(void*, void*); // initdata,context
+static unsigned long WINAPI (*wrvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
+#endif
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+//static int OpenPacketizer( vlc_object_t * );
+static picture_t *DecodeVideo( decoder_t *, block_t ** );
+
+vlc_module_begin();
+ set_description( N_("RealVideo library decoder") );
+ set_capability( "decoder", 10 );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_VCODEC );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+
+#ifdef WIN32
+static void * load_syms(decoder_t *p_dec, const char *path)
+{
+ void *handle;
+
+ msg_Dbg( p_dec, "opening win32 dll '%s'\n", path);
+#ifdef LOADER
+ Setup_LDT_Keeper();
+#endif
+ handle = LoadLibraryA(path);
+ msg_Dbg( p_dec, "win32 real codec handle=%p \n",handle);
+ if (!handle)
+ {
+ msg_Err( p_dec, "Error loading dll\n");
+ return NULL;
+ }
+
+ wrvyuv_custom_message = GetProcAddress(handle, "RV20toYUV420CustomMessage");
+ wrvyuv_free = GetProcAddress(handle, "RV20toYUV420Free");
+ wrvyuv_init = GetProcAddress(handle, "RV20toYUV420Init");
+ wrvyuv_transform = GetProcAddress(handle, "RV20toYUV420Transform");
+
+ if (wrvyuv_custom_message && wrvyuv_free && wrvyuv_init && wrvyuv_transform)
+ {
+ dll_type = 1;
+ return handle;
+ }
+ msg_Err( p_dec, "Error resolving symbols! (version incompatibility?)\n");
+ FreeLibrary(handle);
+ return NULL; // error
+}
+#else
+static void * load_syms_linux(decoder_t *p_dec, const char *path)
+{
+ void *handle;
+
+ msg_Dbg( p_dec, "opening shared obj '%s'\n", path);
+
+ handle = dlopen (path, RTLD_LAZY);
+ if (!handle)
+ {
+ msg_Err( p_dec,"Error: %s\n",dlerror());
+ return NULL;
+ }
+
+ rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
+ rvyuv_free = dlsym(handle, "RV20toYUV420Free");
+ rvyuv_init = dlsym(handle, "RV20toYUV420Init");
+ rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
+
+ if(rvyuv_custom_message && rvyuv_free && rvyuv_init && rvyuv_transform)
+ {
+ dll_type = 0;
+ return handle;
+ }
+
+ msg_Err( p_dec,"Error resolving symbols! (version incompatibility?)\n");
+ dlclose(handle);
+ return 0;
+}
+#endif
+
+static int InitVideo(decoder_t *p_dec)
+{
+ int result;
+ struct rv_init_t init_data;
+ char fcc[4];
+ vlc_mutex_t *lock;
+ int i_vide = p_dec->fmt_in.i_extra;
+ unsigned int *p_vide = p_dec->fmt_in.p_extra;
+ decoder_sys_t *p_sys = malloc( sizeof( decoder_sys_t ) );
+ memset(p_sys,0,sizeof( decoder_sys_t ) );
+
+ if( i_vide < 8 )
+ {
+ msg_Err( p_dec, "missing extra info" );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+ if (p_sys->plane) free(p_sys->plane);
+ p_sys->plane = malloc (p_dec->fmt_in.video.i_width*p_dec->fmt_in.video.i_height*3/2 + 1024 );
+ if (NULL == p_sys->plane)
+ {
+ msg_Err( p_dec, "cannot alloc plane buffer" );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ p_dec->p_sys = p_sys;
+ p_dec->pf_decode_video = DecodeVideo;
+
+ memcpy( fcc, &p_dec->fmt_in.i_codec, 4 );
+ init_data.unk1 = 11;
+ init_data.w = p_dec->fmt_in.video.i_width ;
+ init_data.h = p_dec->fmt_in.video.i_height ;
+ init_data.unk3 = 0;
+ init_data.unk2 = 0;
+ init_data.subformat = (unsigned int*)p_vide[0];
+ init_data.unk5 = 1;
+ init_data.format = (unsigned int*)p_vide[1];
+
+ /* first try to load linux dlls, if failed and we're supporting win32 dlls,
+ then try to load the windows ones */
+#ifdef WIN32
+ if ( NULL== (p_sys->rv_handle = load_syms(p_dec, g_decode_path)) )
+#else
+ if ( NULL== (p_sys->rv_handle = load_syms_linux(p_dec, g_decode_path)) )
+#endif
+ {
+ msg_Err( p_dec, "Cannot load real decoder library: %s", g_decode_path);
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ lock = var_AcquireMutex( "rm_mutex" );
+ if ( lock == NULL )
+ return VLC_EGENERIC;
+
+ p_sys->handle=NULL;
+ #ifdef WIN32
+ if (dll_type == 1)
+ result=(*wrvyuv_init)(&init_data, &p_sys->handle);
+ else
+ #endif
+ result=(*rvyuv_init)(&init_data, &p_sys->handle);
+ if (result)
+ {
+ msg_Err( p_dec, "Cannot Init real decoder library: %s", g_decode_path);
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ /* setup rv30 codec (codec sub-type and image dimensions): */
+ /*if ( p_dec->fmt_in.i_codec == VLC_FOURCC('R','V','3','0') )*/
+ if (p_vide[1]>=0x20200002)
+ {
+ int i, cmsg_cnt;
+ uint32_t cmsg24[16]={p_dec->fmt_in.video.i_width,p_dec->fmt_in.video.i_height};
+ cmsg_data_t cmsg_data={0x24,1+(p_vide[1]&7), &cmsg24[0]};
+ cmsg_cnt = (p_vide[1]&7)*2;
+ if (i_vide - 8 < cmsg_cnt) {
+ cmsg_cnt = i_vide - 8;
+ }
+ for (i = 0; i < cmsg_cnt; i++)
+ cmsg24[2+i] = p_vide[8+i]*4;
+ #ifdef WIN32
+ if (dll_type == 1)
+ (*wrvyuv_custom_message)(&cmsg_data,p_sys->handle);
+ else
+ #endif
+ (*rvyuv_custom_message)(&cmsg_data,p_sys->handle);
+ }
+ /*
+ es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','V','1','2' ));
+ es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','U','Y','2' ));
+ */
+ es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'I', '4', '2', '0'));
+
+ p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
+ p_dec->fmt_out.video.i_height= p_dec->fmt_in.video.i_height;
+ p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
+ p_sys->inited = 0;
+
+ vlc_mutex_unlock( lock );
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Open: probe the decoder and return score
+ *****************************************************************************
+ * Tries to launch a decoder and return score so that the interface is able
+ * to choose.
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ decoder_t *p_dec = (decoder_t*)p_this;
+
+ /* create a mutex */
+ var_Create( p_this->p_libvlc, "rm_mutex", VLC_VAR_MUTEX );
+
+ switch ( p_dec->fmt_in.i_codec )
+ {
+ case VLC_FOURCC('R','V','1','0'):
+ case VLC_FOURCC('R','V','2','0'):
+ case VLC_FOURCC('R','V','3','0'):
+ case VLC_FOURCC('R','V','4','0'):
+ p_dec->p_sys = NULL;
+ p_dec->pf_decode_video = DecodeVideo;
+ return InitVideo(p_dec);
+
+ default:
+ return VLC_EGENERIC;
+ }
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ decoder_t *p_dec = (decoder_t*)p_this;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ vlc_mutex_t *lock;
+
+ /* get lock, avoid segfault */
+ lock = var_AcquireMutex( "rm_mutex" );
+
+ #ifdef WIN32
+ if (dll_type == 1)
+ {
+ if (wrvyuv_free)
+ wrvyuv_free(p_sys->handle);
+ }
+ else
+ #endif
+ if (rvyuv_free)
+ rvyuv_free(p_sys->handle);
+#ifdef WIN32
+ if (dll_type == 1)
+ {
+ if (p_sys->rv_handle)
+ FreeLibrary(p_sys->rv_handle);
+ }
+ else
+#endif
+ p_sys->rv_handle=NULL;
+
+ if (p_sys->plane)
+ {
+ free(p_sys->plane);
+ p_sys->plane = NULL;
+ }
+
+ msg_Dbg( p_dec, "FreeLibrary ok." );
+#ifdef LOADER
+ Restore_LDT_Keeper( p_sys->ldt_fs );
+ msg_Dbg( p_dec, "Restore_LDT_Keeper" );
+#endif
+ p_sys->inited = 0;
+
+ if ( lock )
+ vlc_mutex_unlock( lock );
+
+ if ( p_sys )
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * DecodeVideo:
+ *****************************************************************************/
+static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ vlc_mutex_t *lock;
+ block_t *p_block;
+ picture_t *p_pic;
+ mtime_t i_pts;
+ int result;
+
+ /* We must do open and close in the same thread (unless we do
+ * Setup_LDT_Keeper in the main thread before all others */
+ if ( pp_block == NULL || *pp_block == NULL )
+ {
+ return NULL;
+ }
+ p_block = *pp_block;
+ *pp_block = NULL;
+
+ i_pts = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
+
+ lock = var_AcquireMutex( "rm_mutex" );
+ if ( lock == NULL )
+ return NULL;
+
+ p_pic = p_dec->pf_vout_buffer_new( p_dec );
+
+ if ( p_pic )
+ {
+ unsigned int transform_out[5];
+ dp_hdr_t dp_hdr;
+ transform_in_t transform_in;
+ uint32_t pkg_len = ((uint32_t*)p_block->p_buffer)[0];
+ unsigned char* dp_data=((unsigned char*)p_block->p_buffer)+8;
+ uint32_t* extra=(uint32_t*)(((char*)p_block->p_buffer)+8+pkg_len);
+ uint32_t img_size;
+
+
+ dp_hdr.len = pkg_len;
+ dp_hdr.chunktab = 8 + pkg_len;
+ dp_hdr.chunks = ((uint32_t*)p_block->p_buffer)[1]-1;
+ dp_hdr.timestamp = i_pts;
+
+ memset(&transform_in, 0, sizeof(transform_in_t));
+
+ transform_in.len = dp_hdr.len;
+ transform_in.extra = extra;
+ transform_in.chunks = dp_hdr.chunks;
+ transform_in.timestamp = dp_hdr.timestamp;
+
+ memset (p_sys->plane, 0, p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height *3/2 );
+
+ #ifdef WIN32
+ if (dll_type == 1)
+ result=(*wrvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
+ else
+ #endif
+ result=(*rvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
+
+ /* msg_Warn(p_dec, "Real Size %d X %d", transform_out[3],
+ transform_out[4]); */
+ /* some bug rm file will print the messages :
+ [00000551] realvideo decoder warning: Real Size 320 X 240
+ [00000551] realvideo decoder warning: Real Size 480 X 272
+ [00000551] realvideo decoder warning: Real Size 320 X 240
+ [00000551] realvideo decoder warning: Real Size 320 X 240
+ ...
+ so it needs fixing!
+ */
+ if ( p_sys->inited == 0 )
+ {
+ /* fix and get the correct image size! */
+ if ( p_dec->fmt_in.video.i_width != transform_out[3]
+ || p_dec->fmt_in.video.i_height != transform_out[4] )
+ {
+ msg_Warn(p_dec, "Warning, Real's Header give a wrong "
+ "information about media's width and height!\n"
+ "\tRealHeader: \t %d X %d \t %d X %d",
+ p_dec->fmt_in.video.i_width,
+ p_dec->fmt_in.video.i_height,
+ transform_out[3],transform_out[4]);
+
+ if ( p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height >= transform_out[3] * transform_out[4] )
+ {
+ p_dec->fmt_out.video.i_width =
+ p_dec->fmt_out.video.i_visible_width =
+ p_dec->fmt_in.video.i_width = transform_out[3] ;
+
+ p_dec->fmt_out.video.i_height=
+ p_dec->fmt_out.video.i_visible_height =
+ p_dec->fmt_in.video.i_height= transform_out[4];
+
+ p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
+ }
+ else
+ {
+ // TODO: realloc plane's size! but [in fact] it maybe not happen!
+ msg_Err(p_dec,"plane space not enough ,skip");
+ }
+ }
+ p_sys->inited = 1;
+ }
+
+ img_size = p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height;
+ memcpy( p_pic->p[0].p_pixels, p_sys->plane, img_size);
+ memcpy( p_pic->p[1].p_pixels, p_sys->plane + img_size, img_size/4);
+ memcpy( p_pic->p[2].p_pixels, p_sys->plane + img_size * 5/4, img_size/4);
+ p_pic->date = i_pts ;
+
+ /* real video frame is small( frame and frame's time-shift is short),
+ so it will become late picture easier (when render-time changed)and
+ droped by video-output.*/
+ p_pic->b_force = 1;
+ }
+
+ vlc_mutex_unlock( lock );
+
+ block_Release( p_block );
+ return p_pic;
+}
+